Easy to use: Simply p the collar with clips through the hole of the badge and press together. The badge holder clips will not damage the garment, leaving no marks. Please use it without any worries.Quality material: to the use of metal and PVC material, these badge clips are durable and re, not easy to rust or break, safe to use and will bring you a pleasant user experienceWide compatibility: These universal clips can be used regardless of age and gender and are suitable for holding ID cards, ID holders, name tags, work badges, key chains etcPackage includes: You will receive 20 pieces of metal badge clips. A sufficient quantity can meet your different requirements and , and you can share them with your friends and family, practical for congress, seminars, offices, fairs, schools, security services or other eventsSize: Metal clip is approx. : 85 mm x 13 mm (3 3/8 inches x 4/8 inches)